Web & SEO

CSV to JSON

Move data into an API without retyping it

Runs locallyNo sign-upFree to start
Your text

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Result

Result will appear here.

Works on desktop and mobile English (US) About 1 seconds

What this tool does

Turn a small spreadsheet export into a JSON array without opening a code editor. The first row becomes the object keys.

Move data into an API without retyping it. Everything runs in your browser; your text is not uploaded.

Good fit

Small data migrations, fixture files, and API payloads.

Not a fit

Using it for large or malformed CSV exports without checking the row count and types.

Quote-aware parsing

Quoted commas and escaped quotes are handled for simple CSV files.

Delimiter choice

Comma, semicolon, and tab are supported.

Browser-first

Everything runs in your browser; your text is not uploaded.

No install, no lock-in

Open the page, finish the job, and copy the result. No desktop software.

How to use

  1. 1

    Paste your text

    Add the text you want to work on.

  2. 2

    Run the tool

    Adjust the few options that matter, then start the job.

  3. 3

    Take the result

    Copy, download, or keep editing. Nothing is saved to an account.

Example

CSV to JSON exampleBefore / after
Before

name,role Ada,admin Sam,editor

After

[{"name":"Ada","role":"admin"},{"name":"Sam","role":"editor"}]

FAQ

CSV to JSON questions

Does it support nested CSV or formulas?

No. It handles flat rows. Export a clean CSV without formulas or multi-row headers first.

Is my text stored?

No. The text is processed in your browser.

What is the limit?

Up to 2 MB

Do I need an account?

No for the guest allowance. A free account gives 20 runs per tool per day; Pro gives 50.